Commit | Line | Data |
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a61a0724 | 1 | const { expect } = require('expect') |
325f50bc | 2 | const { FixedThreadPool } = require('../../../lib/index') |
85a3f8a7 | 3 | const TestUtils = require('../../test-utils') |
5c5a1fb7 | 4 | const numberOfThreads = 10 |
325f50bc | 5 | const pool = new FixedThreadPool( |
5c5a1fb7 | 6 | numberOfThreads, |
76b1e974 | 7 | './tests/worker-files/thread/testWorker.js', |
325f50bc | 8 | { |
e5177d86 | 9 | errorHandler: e => console.error(e) |
325f50bc S |
10 | } |
11 | ) | |
76b1e974 S |
12 | const emptyPool = new FixedThreadPool( |
13 | 1, | |
7fc5cce6 | 14 | './tests/worker-files/thread/emptyWorker.js', |
7c0ba920 | 15 | { exitHandler: () => console.log('empty pool worker exited') } |
76b1e974 S |
16 | ) |
17 | const echoPool = new FixedThreadPool( | |
18 | 1, | |
19 | './tests/worker-files/thread/echoWorker.js' | |
20 | ) | |
325f50bc S |
21 | const errorPool = new FixedThreadPool( |
22 | 1, | |
76b1e974 | 23 | './tests/worker-files/thread/errorWorker.js', |
325f50bc | 24 | { |
292ad316 | 25 | errorHandler: e => console.error(e) |
325f50bc S |
26 | } |
27 | ) | |
7c0ba920 JB |
28 | const asyncErrorPool = new FixedThreadPool( |
29 | 1, | |
30 | './tests/worker-files/thread/asyncErrorWorker.js', | |
31 | { | |
292ad316 | 32 | errorHandler: e => console.error(e) |
7c0ba920 JB |
33 | } |
34 | ) | |
515e5da7 APA |
35 | const asyncPool = new FixedThreadPool( |
36 | 1, | |
1927ee67 | 37 | './tests/worker-files/thread/asyncWorker.js' |
515e5da7 | 38 | ) |
506c2a14 | 39 | |
a35560ba | 40 | describe('Fixed thread pool test suite', () => { |
0e2503fc JB |
41 | after('Destroy all pools', async () => { |
42 | // We need to clean up the resources after our test | |
43 | await echoPool.destroy() | |
44 | await asyncPool.destroy() | |
45 | await errorPool.destroy() | |
7c0ba920 | 46 | await asyncErrorPool.destroy() |
0e2503fc JB |
47 | await emptyPool.destroy() |
48 | }) | |
49 | ||
506c2a14 | 50 | it('Choose worker round robin test', async () => { |
51 | const results = new Set() | |
5c5a1fb7 | 52 | for (let i = 0; i < numberOfThreads; i++) { |
fa0f5b28 | 53 | results.add(pool.chooseWorker().threadId) |
506c2a14 | 54 | } |
5c5a1fb7 | 55 | expect(results.size).toBe(numberOfThreads) |
506c2a14 | 56 | }) |
57 | ||
58 | it('Verify that the function is executed in a worker thread', async () => { | |
59 | const result = await pool.execute({ test: 'test' }) | |
60 | expect(result).toBeDefined() | |
61 | expect(result).toBeFalsy() | |
62 | }) | |
63 | ||
106744f7 | 64 | it('Verify that is possible to invoke the execute method without input', async () => { |
65 | const result = await pool.execute() | |
66 | expect(result).toBeDefined() | |
67 | expect(result).toBeFalsy() | |
68 | }) | |
69 | ||
7c0ba920 JB |
70 | it('Verify that busy event is emitted', async () => { |
71 | const promises = [] | |
72 | let poolBusy = 0 | |
73 | pool.emitter.on('busy', () => poolBusy++) | |
74 | for (let i = 0; i < numberOfThreads * 2; i++) { | |
75 | promises.push(pool.execute({ test: 'test' })) | |
76 | } | |
ef18443d | 77 | // await Promise.all(promises) |
14916bf9 JB |
78 | // The `busy` event is triggered when the number of submitted tasks at once reach the number of fixed pool workers. |
79 | // So in total numberOfThreads + 1 times for a loop submitting up to numberOfThreads * 2 tasks to the fixed pool. | |
80 | expect(poolBusy).toBe(numberOfThreads + 1) | |
7c0ba920 JB |
81 | }) |
82 | ||
106744f7 | 83 | it('Verify that is possible to have a worker that return undefined', async () => { |
84 | const result = await emptyPool.execute() | |
85 | expect(result).toBeFalsy() | |
86 | }) | |
87 | ||
88 | it('Verify that data are sent to the worker correctly', async () => { | |
89 | const data = { f: 10 } | |
90 | const result = await echoPool.execute(data) | |
91 | expect(result).toBeTruthy() | |
92 | expect(result.f).toBe(data.f) | |
93 | }) | |
94 | ||
7c0ba920 | 95 | it('Verify that error handling is working properly:sync', async () => { |
106744f7 | 96 | const data = { f: 10 } |
97 | let inError | |
98 | try { | |
99 | await errorPool.execute(data) | |
100 | } catch (e) { | |
101 | inError = e | |
102 | } | |
7c0ba920 JB |
103 | expect(inError).toBeDefined() |
104 | expect(inError).toBeInstanceOf(Error) | |
105 | expect(inError.message).toBeDefined() | |
8620fb25 | 106 | expect(typeof inError.message === 'string').toBe(true) |
0302f8ec | 107 | expect(inError.message).toBe('Error Message from ThreadWorker') |
7c0ba920 JB |
108 | }) |
109 | ||
110 | it('Verify that error handling is working properly:async', async () => { | |
111 | const data = { f: 10 } | |
112 | let inError | |
113 | try { | |
114 | await asyncErrorPool.execute(data) | |
115 | } catch (e) { | |
116 | inError = e | |
117 | } | |
118 | expect(inError).toBeDefined() | |
119 | expect(inError).toBeInstanceOf(Error) | |
120 | expect(inError.message).toBeDefined() | |
8620fb25 | 121 | expect(typeof inError.message === 'string').toBe(true) |
0302f8ec | 122 | expect(inError.message).toBe('Error Message from ThreadWorker:async') |
106744f7 | 123 | }) |
124 | ||
7784f548 | 125 | it('Verify that async function is working properly', async () => { |
126 | const data = { f: 10 } | |
127 | const startTime = new Date().getTime() | |
128 | const result = await asyncPool.execute(data) | |
129 | const usedTime = new Date().getTime() - startTime | |
130 | expect(result).toBeTruthy() | |
131 | expect(result.f).toBe(data.f) | |
32d490eb | 132 | expect(usedTime).toBeGreaterThanOrEqual(2000) |
7784f548 | 133 | }) |
134 | ||
506c2a14 | 135 | it('Shutdown test', async () => { |
85a3f8a7 | 136 | const exitPromise = TestUtils.waitExits(pool, numberOfThreads) |
1f9a5a44 | 137 | await pool.destroy() |
bdacc2d2 JB |
138 | const numberOfExitEvents = await exitPromise |
139 | expect(numberOfExitEvents).toBe(numberOfThreads) | |
506c2a14 | 140 | }) |
141 | ||
142 | it('Should work even without opts in input', async () => { | |
76b1e974 S |
143 | const pool1 = new FixedThreadPool( |
144 | 1, | |
145 | './tests/worker-files/thread/testWorker.js' | |
146 | ) | |
506c2a14 | 147 | const res = await pool1.execute({ test: 'test' }) |
148 | expect(res).toBeFalsy() | |
0e2503fc JB |
149 | // We need to clean up the resources after our test |
150 | await pool1.destroy() | |
506c2a14 | 151 | }) |
8d3782fa JB |
152 | |
153 | it('Verify that a pool with zero worker fails', async () => { | |
154 | expect( | |
155 | () => new FixedThreadPool(0, './tests/worker-files/thread/testWorker.js') | |
156 | ).toThrowError(new Error('Cannot instantiate a fixed pool with no worker')) | |
157 | }) | |
506c2a14 | 158 | }) |